The colour of $\ _{62}Sm^{3 +}$ is yellow. The expected colour of $\ _{66}Dy^{3 +}$ is

Question

Dr. Abubacker · Accepted Answer

(a)
The electronic configuration of $\ _{62}Sm^{3 +}$ is $4f^{4}$ and that of$\ \ _{66}Dy^{3 +}$ is $4f^{9}$. The colour of $f^{n}$ and $f^{14 - n}$ are often identical

Q. The colour of $\ _{62}Sm^{3 +}$ is yellow. The expected colour of $\ _{66}Dy^{3 +}$ is

Explanation

Reviewed by Dr. Abubacker

Want more practice?